Cleaning Brush with Bristled Heads: This is a cleaning brush set with Bristled Heads, so you can clean narrow mouth bottles, jars, etc. thoroughly, especially the bottom
Bendable Test Tube Cleaning Brush: This design is especially good for cleaning the inner walls of jars,like narrow-mouthed conical bottles
Wide Range of Application Scenarios: You can clean test tubes, glasses, mason jars, keyboards, water bottles, coffee machines, etc., as long as the diameter is larger than 1cm (0.39 inches), it can be cleaned
How to Use: For narrow-mouth bottles, you need to wet the bristles of the test tube brush with the washing liquid, reach into the bottom of the bottle and turn the brush clockwise or counterclockwise several times, take out the test tube brush and rinse with water to complete the cleaning
Maintenance and Storage: The cleaning brushes are designed with hooks. After washing the cleaning brushes, shake off the excess water and dry them upside down.